{
  "version": 3,
  "sources": ["../../src/backend-factory.ts", "../../src/remote-snapshot.ts"],
  "sourcesContent": ["import type { SyncBackend } from \"./sync-backend.js\";\nimport type { AnySyncConfig } from \"./types.js\";\n\nexport type SyncBackendFactory = {\n\tbivarianceHack(config: AnySyncConfig): SyncBackend | Promise<SyncBackend>;\n}[\"bivarianceHack\"];\n\nexport const createSyncBackend: SyncBackendFactory = async (config) => {\n\tswitch (config.backend.type) {\n\t\tcase \"s3\": {\n\t\t\tconst { S3SyncBackend } = await import(\"./s3-backend.js\");\n\t\t\treturn new S3SyncBackend(config.backend);\n\t\t}\n\t\tcase \"webdav\": {\n\t\t\tconst { WebDavSyncBackend } = await import(\"./webdav-backend.js\");\n\t\t\treturn new WebDavSyncBackend(config.backend);\n\t\t}\n\t\tcase \"git\": {\n\t\t\tconst { GitSyncBackend } = await import(\"./git-backend.js\");\n\t\t\treturn new GitSyncBackend(config.backend);\n\t\t}\n\t}\n};\n", "import { syncConfigReviewFingerprint } from \"./config.js\";\nimport type { RemoteHead, SyncBackend } from \"./sync-backend.js\";\nimport { safeTerminalText } from \"./sync-format.js\";\nimport {\n\tinspectRemoteSelection,\n\ttype RemoteSelectionState,\n\tremoteSelectionMismatch,\n\tsameSyncInclude,\n\tsnapshotSelectionInclude,\n} from \"./sync-policy.js\";\nimport type { AnySyncConfig, Snapshot } from \"./types.js\";\n\nexport async function readSnapshotForHead(\n\tbackend: SyncBackend,\n\thead: RemoteHead,\n\tsignal?: AbortSignal,\n) {\n\tconst snapshot = await backend.readSnapshot(head.snapshotRef, signal);\n\tif (signal?.aborted) {\n\t\tthrow signal.reason instanceof Error\n\t\t\t? signal.reason\n\t\t\t: new DOMException(\"The operation was aborted\", \"AbortError\");\n\t}\n\tif (snapshot.id !== head.snapshotId) {\n\t\tthrow new Error(\n\t\t\t`Remote head ${head.snapshotId} resolved to unexpected snapshot ${snapshot.id}.`,\n\t\t);\n\t}\n\tif (head.selection) {\n\t\tconst snapshotInclude = snapshotSelectionInclude(snapshot);\n\t\tif (!snapshotInclude || !sameSyncInclude(head.selection.include, snapshotInclude)) {\n\t\t\tthrow new Error(\"Remote head selection does not match its immutable snapshot.\");\n\t\t}\n\t}\n\treturn snapshot;\n}\n\nexport function requireCompatibleRemoteSelection(config: AnySyncConfig, snapshot: Snapshot) {\n\tconst state = inspectRemoteSelection(config.include, snapshot);\n\tif (state.kind === \"different\") {\n\t\tthrow remoteSelectionMismatch(config, state.include, syncConfigReviewFingerprint(config));\n\t}\n}\n\nexport function formatRemoteSelectionStatus(state: RemoteSelectionState | undefined) {\n\tif (!state) return \"remote included content: unavailable (remote is empty)\";\n\tif (state.kind === \"same\") return \"remote included content: matches this setup\";\n\tif (state.kind === \"legacy\") {\n\t\treturn `remote included content: unavailable in legacy snapshot (${state.discovered.length} path${state.discovered.length === 1 ? \"\" : \"s\"} discovered, partial)`;\n\t}\n\treturn [\n\t\t\"remote included content: differs from this setup\",\n\t\t`remote-only selection: ${safeList(state.remoteOnly)}`,\n\t\t`local-only selection: ${safeList(state.localOnly)}`,\n\t].join(\"\\n\");\n}\n\nfunction safeList(values: readonly string[]) {\n\treturn values.length > 0 ? values.map(safeTerminalText).join(\", \") : \"none\";\n}\n"],
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